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package org.spongycastle.pqc.math.linearalgebra;
/**
* This abstract class defines vectors. It holds the length of vector.
*/
public abstract class Vector
{
/**
* the length of this vector
*/
protected int length;
/**
* @return the length of this vector
*/
public final int getLength()
{
return length;
}
/**
* @return this vector as byte array
*/
public abstract byte[] getEncoded();
/**
* Return whether this is the zero vector (i.e., all elements are zero).
*
* @return <tt>true</tt> if this is the zero vector, <tt>false</tt>
* otherwise
*/
public abstract boolean isZero();
/**
* Add another vector to this vector.
*
* @param addend the other vector
* @return <tt>this + addend</tt>
*/
public abstract Vector add(Vector addend);
/**
* Multiply this vector with a permutation.
*
* @param p the permutation
* @return <tt>this*p = p*this</tt>
*/
public abstract Vector multiply(Permutation p);
/**
* Check if the given object is equal to this vector.
*
* @param other vector
* @return the result of the comparison
*/
public abstract boolean equals(Object other);
/**
* @return the hash code of this vector
*/
public abstract int hashCode();
/**
* @return a human readable form of this vector
*/
public abstract String toString();
}
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